<template>
  <a-dropdown :class="[prefixCls]" :trigger="trigger" v-bind="$attrs">
    <span>
      <slot></slot>
    </span>
    <template #overlay>
      <a-menu :class="[`${prefixCls}-menu`]" :selectedKeys="selectedKeys">
        <template v-for="item in dropMenuList" :key="`${item.event}`">
          <a-menu-item
            v-bind="getAttr(item.event)"
            @click="handleClickMenu(item)"
            :disabled="item.disabled"
            :class="[{ 'is-pop-confirm': item.popConfirm }, item.class ?? []]"
          >
            <a-popconfirm v-if="popconfirm && item.popConfirm" v-bind="getPopConfirmAttrs(item.popConfirm)">
              <template #icon v-if="item.popConfirm.icon">
                <Icon v-if="item.iconColor" :icon="item.popConfirm.icon" :color="item.iconColor" />
                <Icon v-else :icon="item.popConfirm.icon" />
              </template>
              <div class="dropdown-event-area">
                <Icon :icon="item.icon" v-if="item.icon && item.iconColor" :color="item.iconColor" />
                <Icon :icon="item.icon" v-else-if="item.icon" />
                <span class="ml-1">{{ item.text }}</span>
              </div>
            </a-popconfirm>
            <template v-else>
              <Icon :icon="item.icon" v-if="item.icon && item.iconColor" :color="item.iconColor" />
              <Icon :icon="item.icon" v-else-if="item.icon" />
              <span class="ml-1">{{ item.text }}</span>
            </template>
          </a-menu-item>
          <a-menu-divider v-if="item.divider" :key="`d-${item.event}`" />
        </template>
      </a-menu>
    </template>
  </a-dropdown>
</template>

<script lang="ts" setup>
import { computed, PropType } from 'vue';
import { type Recordable } from '#/utils.d';
import { type DropMenu } from './typing';
import { Dropdown, Menu, Popconfirm } from 'ant-design-vue';
import Icon from '@/components/Icon/Icon.vue';
import { omit } from 'lodash-es';
import { isFunction } from '@/utils/is';
import { useDesign } from '@/hooks/web/useDesign';

const ADropdown = Dropdown;
const AMenu = Menu;
const AMenuItem = Menu.Item;
const AMenuDivider = Menu.Divider;
const APopconfirm = Popconfirm;

const { prefixCls } = useDesign('basic-dropdown');
const props = defineProps({
  popconfirm: Boolean,
  /**
   * the trigger mode which executes the drop-down action
   * @default ['hover']
   * @type string[]
   */
  trigger: {
    type: Array as PropType<('contextmenu' | 'click' | 'hover')[]>,
    default: () => {
      return ['contextmenu'];
    },
  },
  dropMenuList: {
    type: Array as PropType<(DropMenu & Recordable<any>)[]>,
    default: () => [],
  },
  selectedKeys: {
    type: Array as PropType<string[]>,
    default: () => [],
  },
});

const emit = defineEmits(['menuEvent']);

function handleClickMenu(item: DropMenu) {
  const { event } = item;
  const menu = props.dropMenuList.find(item => `${item.event}` === `${event}`);
  emit('menuEvent', menu);
  item.onClick?.();
}

const getPopConfirmAttrs = computed(() => {
  return attrs => {
    const originAttrs = omit(attrs, ['confirm', 'cancel', 'icon']);
    if (!attrs.onConfirm && attrs.confirm && isFunction(attrs.confirm)) originAttrs['onConfirm'] = attrs.confirm;
    if (!attrs.onCancel && attrs.cancel && isFunction(attrs.cancel)) originAttrs['onCancel'] = attrs.cancel;
    return originAttrs;
  };
});

const getAttr = (key: string | number) => ({ key });
</script>
<style lang="less">
@prefix-cls: ~'@{namespace}-basic-dropdown';

.@{prefix-cls} {
  // update-begin--author:sunjianlei---date:20220322---for: 【VUEN-180】更多下拉菜单，只有点到字上才有效，点到空白处什么都不会发生，体验不好
  &-menu .ant-dropdown-menu-item.is-pop-confirm {
    padding: 0;

    .dropdown-event-area {
      padding: 5px 12px;
    }
  }
  // update-end--author:sunjianlei---date:20220322---for: 【VUEN-180】更多下拉菜单，只有点到字上才有效，点到空白处什么都不会发生，体验不好
}
</style>
